Blastoise #37, Normal, Expedition Base Set
- EBS

- ·Card number: #37/165
- ·Rarity: Rare
- ·Finish: Non-Holo
A PSA 10 Blastoise #37 Normal from Expedition Base Set has a TCGBerg fair value of $1,307 as of Nov 14, 2026. TCGBerg has recorded 35 PSA 10 sales of this card, the latest on Nov 4, 2026. PSA has graded 212 copies at PSA 10.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 10
- 212
- Market cap
- $277.2K
- Volatility
- 1.7%
- YTD
- ↑ 302.0%
- Sales evidence
- Moderate
TCGBerg fair value · PSA 10
$1,307
Price history
Weekly fair value over time, plus a confidence band around it: how precisely we can pin the value, which tightens as more sales confirm it. Dots mark individual sales, snapped to their week: red when above fair value (a premium), green when below (a deal), hollow when flagged as an outlier. Switch the active grade with the selector above.Weekly fair value for PSA 10. Shaded area is the confidence band: how precisely we can pin the value; it tightens as more sales confirm it. Dots are individual sales. Confidence band: how precisely we can pin the fair value. It widens when sales scatter and narrows as more sales back the value up. The dots show the actual sale prices.
What the evidence says
The last PSA 10 sale, $920 on Nov 4, 2026, sits 29.6% below the $1,307 fair value. The value weighs 29 PSA 10 sales from the past year, not the latest one alone. The latest sale ran below the recent run: the last 5 PSA 10 sales averaged $1,219, within 6.8% of the value. Its confidence band runs from $1,264 to $1,351. A PSA 10 ($1,307) is worth 2.5 times a PSA 9 ($531). Over the past 30 days the PSA 10 value has risen 0.3%.
TCGBerg fair value by grade
Side-by-side comparison of value across every grade and ungraded condition we track for this printing. The bar chart uses a log scale so raw and gem-mint fit on one axis. Solid bars are the TCGBerg fair value, modelled from recorded sales. Hatched bars are the latest market price instead, shown for ungraded conditions that trade too rarely for us to price one honestly.Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
- Raw NM$95Ungraded · market price
- Raw LP$90Ungraded · TCGBerg fair value
- Raw MP$70Ungraded · TCGBerg fair value
- Raw HP$34Ungraded · TCGBerg fair value
- Raw Damaged$31Ungraded · TCGBerg fair value
Behind the scenes
How the published fair value for this grade was produced: the sales it rests on, how they were put together, and every recorded change afterwards. It describes one saved calculation, not a live recomputation.What goes into this price, and how much we know.
Recent sales
20 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Nov 12, 2026 | PSA9 | eBay | $335 | below fair value by -36.9% |
| Nov 9, 2026 | PSA2 | eBay | $68 | below fair value by -30.6% |
| Nov 9, 2026 | PSA8 | eBay | $188 | above fair value by +0.9% |
| Nov 5, 2026 | Raw | tcgplayer | $90 | below fair value by -4.0% |
| Nov 4, 2026 | PSA10 | eBay | $920 | below fair value by -30.5% |
- $335Nov 12, 2026 · via eBayPSA9↓below fair value by 36.9%
- $68Nov 9, 2026 · via eBayPSA2↓below fair value by 30.6%
- $188Nov 9, 2026 · via eBayPSA8↑above fair value by 0.9%
- $90Nov 5, 2026 · via tcgplayerRaw↓below fair value by 4.0%
- $920Nov 4, 2026 · via eBayPSA10↓below fair value by 30.5%
| Nov 3, 2026 | PSA8 | eBay | $187 | above fair value by +2.9% |
| Oct 27, 2026 | PSA1 | eBay | $100 | above fair value by +3.7% |
| Oct 26, 2026 | PSA3 | eBay | $65 | below fair value by -33.9% |
- $187PSA8↑above fair value by 2.9%
- $100PSA1↑above fair value by 3.7%
- $65PSA3↓below fair value by 33.9%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 33.9% below fair value
All grades matrix
Every grade we track for this printing. Click any column header to sort; the rightmost column jumps you to listings for that grade.
- PSA10$1,3071d ·0.0%7d ↑0.9%30d ↑0.3%
- Pop
- 212
- Mcap
- $277.2K
- Evidence
- Moderate
- Last
- $920
- PSA9$5311d ·0.0%7d ↑1.8%30d ↑19.1%
- Pop
- 249
- Mcap
- $132.1K
- Evidence
- Limited
- Last
- $335
- PSA8$1871d ↑0.4%7d ↑2.8%30d ↑14.4%
- Pop
- 165
- Mcap
- $30.8K
- Evidence
- Limited
- Last
- $188
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| PSA10 | $1,307 | 212 | $277.2K | 0.0% | ↑up 0.9% | ↑up 0.3% | ↑up 69.7% | Moderate | $9201w ago | |
| PSA9 | $531 | 249 | $132.1K | 0.0% | ↑up 1.8% | ↑up 19.1% | ↑up 61.0% | Limited | $3352d ago | |
| PSA8 | $187 | 165 | $30.8K | ↑up 0.4% | ↑up 2.8% | ↑up 14.4% | ↑up 40.7% | Limited | $1885d ago | |
| PSA7 | $109 | 62 | $6.8K | ↑up 0.1% | ↑up 0.8% | ↑up 12.2% | ↑up 25.2% | Strong | $971mo ago | |
| PSA6 | $101 | 33 | $3.3K | 0.0% | ↑up 0.2% | ↑up 4.8% | ↑up 15.8% | Moderate | $1063w ago | |
| PSA5 | $83 | 32 | - | 0.0% | 0.0% | ↓down 13.6% | ↑up 2.5% | Sparse | $554mo ago | |
| PSA4 | $100 | 22 | - | 0.0% | ↑up 0.2% | ↑up 3.6% | ↑up 15.6% | Sparse | $384mo ago | |
| PSA3 | $99 | 11 | - | 0.0% | ↑up 0.2% | - | - | Sparse | $653w ago | |
| PSA2 | $98 | 7 | - | 0.0% | ↑up 0.2% | ↑up 2.6% | ↑up 14.5% | Sparse | $685d ago | |
| PSA1 | $97 | 12 | - | 0.0% | ↑up 0.2% | ↑up 2.6% | ↑up 14.5% | Moderate | $1003w ago | |
| Raw | $95 | - | - | 0.0% | ↑up 3.4% | ↑up 4.3% | ↑up 8.9% | - | $901w ago |
PSA population report
How Blastoise's graded copies are spread across grades. Each bar is the number of copies graded at that grade; the percentage is that grade's share of the total graded population. These are recorded graded copies, not the total print run. A smaller population alone does not establish a price premium.805 graded copies of Blastoise Normal across 10 grades. The selected grade is highlighted.
PSA 10 makes up 26% of graded copies: 212 of 805. PSA 9 is the most common grade (31%).
Analysis
Blastoise - Normal at PSA 10 carries a TCGBerg fair value of $1,307 as of 2026-11-13. We track a TCGBerg fair value across 10 grades from Expedition Base Set, from PSA 5 up to PSA 10. A graded population of 212 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on moderate sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 0.3%.
